GB2284091B - Plasma light source - Google Patents

Plasma light source

Info

Publication number
GB2284091B
GB2284091B GB9421717A GB9421717A GB2284091B GB 2284091 B GB2284091 B GB 2284091B GB 9421717 A GB9421717 A GB 9421717A GB 9421717 A GB9421717 A GB 9421717A GB 2284091 B GB2284091 B GB 2284091B
Authority
GB
United Kingdom
Prior art keywords
light source
plasma light
plasma
source
light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB9421717A
Other versions
GB2284091A (en
Inventor
Michael Robert Osborne
Keith Howard Bayliss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
UK Atomic Energy Authority
Ricardo AEA Ltd
Original Assignee
AEA Technology PLC
UK Atomic Energy Authority
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB939323601A external-priority patent/GB9323601D0/en
Application filed by AEA Technology PLC, UK Atomic Energy Authority filed Critical AEA Technology PLC
Priority to GB9421717A priority Critical patent/GB2284091B/en
Publication of GB2284091A publication Critical patent/GB2284091A/en
Application granted granted Critical
Publication of GB2284091B publication Critical patent/GB2284091B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
    • H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels
    • H01J65/042—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field
    • H01J65/044—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field the field being produced by a separate microwave unit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/165—Auxiliary devices for rotating the plane of polarisation
    • H01P1/17—Auxiliary devices for rotating the plane of polarisation for producing a continuously rotating polarisation, e.g. circular polarisation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/097—Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser
    • H01S3/0975—Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser using inductive or capacitive excitation

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
GB9421717A 1993-11-16 1994-10-18 Plasma light source Expired - Fee Related GB2284091B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9421717A GB2284091B (en) 1993-11-16 1994-10-18 Plasma light source

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB939323601A GB9323601D0 (en) 1993-11-16 1993-11-16 Plasma light source
GB9421717A GB2284091B (en) 1993-11-16 1994-10-18 Plasma light source

Publications (2)

Publication Number Publication Date
GB2284091A GB2284091A (en) 1995-05-24
GB2284091B true GB2284091B (en) 1997-07-02

Family

ID=26303871

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9421717A Expired - Fee Related GB2284091B (en) 1993-11-16 1994-10-18 Plasma light source

Country Status (1)

Country Link
GB (1) GB2284091B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0120993D0 (en) 2001-08-30 2001-10-24 Quay Technologies Pulsed UV light source
US8269190B2 (en) 2010-09-10 2012-09-18 Severn Trent Water Purification, Inc. Method and system for achieving optimal UV water disinfection

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1237009A (en) * 1968-12-23 1971-06-30 Evans Electroselenium Ltd Apparatus for the excitation of electrodeless discharge tubes
US4698822A (en) * 1985-03-28 1987-10-06 Centre National De La Recherche Scientifique (C.N.R.S.) Apparatus for exciting a plasma in a column of gas by means of microwaves, in particular for providing an ion laser
US4877509A (en) * 1988-07-05 1989-10-31 Mitsubishi Denki Kabushiki Kaisha Semiconductor wafer treating apparatus utilizing a plasma
US5146138A (en) * 1988-04-05 1992-09-08 Mitsubishi Denki Kabushiki Kaisha Plasma processor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1237009A (en) * 1968-12-23 1971-06-30 Evans Electroselenium Ltd Apparatus for the excitation of electrodeless discharge tubes
US4698822A (en) * 1985-03-28 1987-10-06 Centre National De La Recherche Scientifique (C.N.R.S.) Apparatus for exciting a plasma in a column of gas by means of microwaves, in particular for providing an ion laser
US5146138A (en) * 1988-04-05 1992-09-08 Mitsubishi Denki Kabushiki Kaisha Plasma processor
US4877509A (en) * 1988-07-05 1989-10-31 Mitsubishi Denki Kabushiki Kaisha Semiconductor wafer treating apparatus utilizing a plasma

Also Published As

Publication number Publication date
GB2284091A (en) 1995-05-24

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20001018